Delaware Personal Tax Extension 2026: 2025 Tax-Year Filing Guide
Individual Income Tax · Delaware PIT-RES · PIT-NON · PIT-NON
This guide explains the Delaware personal tax extension for the 2025 tax year. Most individuals receive an automatic with federal extension to October 15, 2026, but payment is still due by April 30, 2026. For federal filing details, see our federal tax extension resources.
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Delaware (DE) gives most individuals an automatic filing extension. File by October 15, 2026, and pay any Delaware tax owed by April 30, 2026.
Delaware Personal Tax Extension: Filing Details
Delaware generally grants an automatic five-and-a-half-month extension for individual income tax returns. The extended filing deadline for a 2025 calendar-year return is October 15, 2026.
The extension applies to filing time only. Pay any balance due by April 30 to limit penalties and interest.
Quick Reference: Deadlines and Forms
Use this summary to confirm Delaware personal filing deadlines, return forms, and payment requirements.
| Item | Delaware personal return | Deadline or method |
|---|---|---|
| Original deadline | 2025 Delaware return | April 30, 2026 |
| Extended deadline | Automatic with Federal extension | October 15, 2026 |
| Return forms | PIT-RES, PIT-NON, PIT-NON | Use the form for your filing status |
| Payment form | PIT-RESV | Payment remains due April 30 |
Frequently Asked Questions
Answers about Delaware personal tax extensions. Confirm current rules with the Delaware Division of Revenue.
Visit Delaware Taxpayer Portal →Most individuals receive an automatic Delaware extension and do not need to submit a separate extension form. The extension moves the filing deadline to October 15, 2026, but payment remains due April 30, 2026. For business filings, see our Delaware business tax extension page.
No. Delaware tax is due by April 30, 2026. Pay through My Delaware Taxes or use the applicable payment method to limit penalties and interest.
For most 2025 calendar-year individual returns, the Delaware extended filing deadline is October 15, 2026. Check the current Delaware Taxpayer Portal individual filing guidance if your circumstances differ.